glibc/sysdeps/unix/sysv/linux/bits/time.h
Ulrich Drepper be1dd9498b Update.
1999-07-26  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/generic/clock_getres.c: New file.
	* sysdeps/generic/clock_gettime.c: New file.
	* sysdeps/generic/clock_settime.c: New file.
	* sysdeps/generic/timer_create.c: New file.
	* sysdeps/generic/timer_delete.c: New file.
	* sysdeps/generic/timer_getoverr.c: New file.
	* sysdeps/generic/timer_gettime.c: New file.
	* sysdeps/generic/timer_settime.c: New file.

	* sysdeps/generic/bits/time.h: Define __clockid_t, __timer_t,
	CLOCK_REALTIME, and TIMER_ABSTIME.
	* sysdeps/mach/hurd/bits/time.h: Likewise.
	* sysdeps/unix/sysv/linux/alpha/bits/time.h: Likewise.
	* sysdeps/unix/sysv/linux/bits/time.h: Likewise.

	* sysdeps/unix/sysv/linux/bits/posix_opt.h: Define _POSIX_TIMERS.

	* sysdeps/unix/sysv/linux/bits/siginfo.h: Define si_timer1 and
	si_timer2.

	* sysdeps/unix/sysv/linux/syscalls.list: Add clock and timer syscalls.

	* time/Makefile (routines): Add clock_getres, clock_gettime,
	clock_setres, timer_create, timer_delete, timer_getoverr,
	timer_gettime, and timer_settime.

	* time/time.h: Define clockid_t, timer_t, and struct itimerspec for
	POSIX.1b.  Add prototypes for clock and timer functions.
1999-07-27 00:24:04 +00:00

74 lines
2.3 KiB
C

/* System-dependent timing definitions. Linux version.
Copyright (C) 1996, 1997, 1999 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
/*
* Never include this file directly; use <time.h> instead.
*/
#ifndef __need_timeval
# ifndef _BITS_TIME_H
# define _BITS_TIME_H 1
/* ISO/IEC 9899:1990 7.12.1: <time.h>
The macro `CLOCKS_PER_SEC' is the number per second of the value
returned by the `clock' function. */
/* CAE XSH, Issue 4, Version 2: <time.h>
The value of CLOCKS_PER_SEC is required to be 1 million on all
XSI-conformant systems. */
# define CLOCKS_PER_SEC 1000000
# ifndef __STRICT_ANSI__
/* Even though CLOCKS_PER_SEC has such a strange value CLK_TCK
presents the real value for clock ticks per second for the system. */
# define CLK_TCK 100
# endif
/* Clock ID used in clock and timer functions. */
typedef int __clockid_t;
/* Timer ID returned by `timer_create'. */
typedef int __timer_t;
# ifdef __USE_POSIX199309
/* Identifier for system-wide realtime clock. */
# define CLOCK_REALTIME 0
/* Flag to indicate time is absolute. */
# define TIMER_ABSTIME 1
# endif
# endif /* bits/time.h */
#endif
#ifdef __need_timeval
# undef __need_timeval
# ifndef _STRUCT_TIMEVAL
# define _STRUCT_TIMEVAL 1
# include <bits/types.h>
/* A time value that is accurate to the nearest
microsecond but also has a range of years. */
struct timeval
{
__time_t tv_sec; /* Seconds. */
__suseconds_t tv_usec; /* Microseconds. */
};
# endif /* struct timeval */
#endif /* need timeval */